During the last decade, markets for covered warrants (bank-issued options) have flourished in Europe and Asia. In these markets, investors often face a choice between many instruments that differ only slightly from each other. Based on retail trades in call options on the German DAX index, this...

Why do political constituencies delegate decision power to representative assemblies? And how is the size of such assemblies determined? We analyze these questions of constitutional design in a model with voters learning their preferred alternative only after engaging in costly information...

This paper compares the attractiveness of floor trading and anonymous electronic trading systems. It is argued that in times of low information intensity the insight into the order book of the electronic trading system provides more valuable information than floor trading, but in times of high...

During the last decade, markets for covered warrants (bank-issued options) have flourished in Europe and Asia. In these markets, investors often face a choice between many instruments that differ only slightly from each other. Based on retail trades in call options on the German DAX index, this...

Aus welchen Gründen setzen Unternehmen (Währungs-)Derivate ein? Der Autor geht dieser Frage nach, indem er zunächst verschiedene Theorien zur Rechtfertigung des unternehmerischen Einsatzes von Derivaten zu Risikomanagementzwecken zusammenfaßt, welche die grundsätzliche Redundanz von...